Opel Astra III 1.9 CDTi 120
ECU Tuning in Gwent

Opel Astra III 1.9 CDTi 120 power and torque after remapping

• Fuel: Diesel
• Standard power: 120 bhp, remapped: 155 bhp (+35 bhp, +29%)
• Standard torque: 280 Nm, remapped: 345 Nm (+65 Nm, +23%)
• Service: stage 1 ECU remap, fully dyno tested

How ECU tuning works on a diesel Opel Astra III

The gains from remapping a diesel come from the engine management software rather than new parts: injection, boost and torque limits are re-mapped, which is why torque improves most and why the car often feels easier to drive at lower revs.

How the Opel Astra III 1.9 CDTi 120 compares

Of the 6 diesel Astra III engines in our data, this one comes 1st for power gain, which is 4 bhp above the Astra III diesel average of 31 bhp.

Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 35 bhp and 65 Nm sits at or above that benchmark.

Book engine tuning for your Opel Astra III in Gwent

Based around Gwent, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Crumlin, Rassau, Manmoel, Ebbw Vale and Brynmawr and nearby areas of Wales.

Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.

If you are closer to Cardiff, Bristol and Midwales, those neighbouring Remap Experts sites can help too.